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There are some general observations which apply to all understandings; these we shall first enumerate, and we may afterwards examine what distinctions should be made for pupils of different tempers or dispositions.
Besides distinctness and accuracy in the language which we use, besides care to produce but few ideas or terms that are new in our first lessons, we must exercise attention only during very short periods. In the beginning of every science pupils have much laborious work; we should therefore allow them time; we should repress our own impatience when they appear to be slow in comprehending reasons, or in seizing analogies. We often expect, that those whom we are teaching should know some things intuitively, because these may have been so long known to us that we forget how we learned them. We may from habit learn to pass with extraordinary velocity from one idea to another. "Some often repeated processes of reasoning or invention," says Mr. Stewart, "may be carried on so quickly in the mind, that we may not be conscious of them ourselves." Yet we easily convince ourselves that this rapid facility of thought is purely the result of practice, by observing the comparatively slow progress of our understandings in subjects to which we have not been accustomed: the progress of the mind is there so slow, that we can count every step.
We are disposed to think that those must be naturally slow and stupid, who do not perceive the resemblances between objects which strike us, we say, at the first glance. But what we call the first glance is frequently the fiftieth: we have got the things completely by heart; all the parts are known to us, and we are at leisure to compare and judge. A reasonable preceptor will not expect from his pupils two efforts of attention at the same instant; he will not require them at once to learn terms by heart, and to compare the objects which those terms represent; he will repeat his terms till they are thoroughly fixed in the memory; he will repeat his reasoning till the chain of ideas is completely formed.
Repetition makes all operations easy; even the fatigue of thinking diminishes by habit. That we may not increase the labour of the mind unseasonably, we should watch for the moment when habit has made one lesson easy, and when we may go forward a new step. In teaching the children at the House of Industry at Munich to spin, Count Rumford wisely ordered that they should be made perfect in one motion before any other was shown to them: at first they were allowed only to move the wheel by the treadle with their feet; when, after sufficient practice, the foot became perfect in its lesson, the hands were set to work, and the children were allowed to begin to spin with coarse materials. It is said that these children made remarkable good spinners. Madame de Genlis applied the same principle in teaching Adela to play upon the harp.[17]
In the first attempts to learn any new bodily exercise, as fencing or dancing, persons are not certain what muscles they must use, and what may be left at rest; they generally employ those of which they have the most ready command, but these may not always be the muscles which are really wanted in the new operation. The simplest thing appears difficult, till, by practice, we have associated the various slight motions which ought to be combined. We feel, that from want of use, our motions are not obedient to our will, and to supply this defect, we exert more strength and activity than is requisite. "It does not require strength; you need not use so much force; you need not take so much pains;" we frequently say to those who are making the first painful awkward attempts at some simple operation. Can any thing appear more easy than knitting, when we look at the dexterous, rapid motions of an experienced practitioner? But let a gentleman take up a lady's knitting needles, and knitting appears to him, and to all the spectators, one of the most difficult and laborious operations imaginable. A lady who is learning to work with a tambour needle, puts her head down close to the tambour frame, the colour comes into her face, she strains her eyes, all her faculties are exerted, and perhaps she works at the rate of three links a minute. A week afterwards, probably, practice has made the work perfectly easy; the same lady goes rapidly on with her work; she can talk and laugh, and perhaps even think, whilst she works. She has now discovered that a number of the motions, and a great portion of that attention which she thought necessary to this mighty operation, may be advantageously spared.
In a similar manner, in the exercise of our minds upon subjects that are new to us, we generally exert more attention than is necessary or serviceable, and we consequently soon fatigue ourselves without any advantage. Children, to whom many subjects are new, are often fatigued by these overstrained and misplaced efforts. In these circumstances, a tutor should relieve the attention by introducing indifferent subjects of conversation; he can, by showing no anxiety himself, either in his manner or countenance, relieve his pupil from any apprehension of his displeasure, or of his contempt; he can represent that the object before them is not a matter of life and death; that if the child does not succeed in the first trials, he will not be disgraced in the opinion of any of his friends; that by perseverance he will certainly conquer the difficulty; that it is of little consequence whether he understands the thing in question to-day or to-morrow; these considerations will calm the over-anxious pupil's agitation, and, whether he succeed or not, he will not suffer such a degree of pain as to disgust him in his first attempts.
Besides the command which we, by this prudent management, obtain over the pupil's mind, we shall also prevent him from acquiring any of those awkward gestures and involuntary motions which are sometimes practised to relieve the pain of attention.
Dr. Darwin observes, that when we experience any disagreeable sensations, we endeavour to procure ourselves temporary relief by motions of those muscles and limbs which are most habitually obedient to our will. This observation extends to mental as well as to bodily pain; thus persons in violent grief wring their hands and convulse their countenances; those who are subject to the petty, but acute miseries of false shame, endeavour to relieve themselves by awkward gestures and continual motions. A plough-boy, when he is brought into the presence of those whom he thinks his superiors, endeavours to relieve himself from the uneasy sensations of false shame, by twirling his hat upon his fingers, and by various uncouth gestures. Men who think a great deal, sometimes acquire habitual awkward gestures, to relieve the pain of intense thought.
When attention first becomes irksome to children, they mitigate the mental pain by wrinkling their brows, or they fidget and put themselves into strange attitudes. These odd motions, which at first are voluntary, after they have been frequently associated with certain states of mind, constantly recur involuntarily with those feelings or ideas with which they have been connected. For instance, a boy, who has been used to buckle and unbuckle his shoe, when he repeats his lesson by rote, cannot repeat his lesson without performing this operation; it becomes a sort of artificial memory, which is necessary to prompt his recollective faculty. When children have a variety of tricks of this sort, they are of little consequence; but when they have acquired a few constant and habitual motions, whilst they think, or repeat, or listen, these should be attended to, and the habits should be broken, otherwise these young people will appear, when they grow up, awkward and ridiculous in their manners; and, what is worse, perhaps their thoughts and abilities will be too much in the power of external circumstances. Addison represents, with much humour, the case of a poor man who had the habit of twirling a bit of thread round his finger; the thread was accidentally broken, and the orator stood mute.
We once saw a gentleman get up to speak in a public assembly, provided with a paper of notes written in pencil: during the exordium of his speech, he thumbed his notes with incessant agitation; when he looked at the paper, he found that the words were totally obliterated; he was obliged to apologize to his audience; and, after much hesitation, sat down abashed. A father would be sorry to see his son in such a predicament.
To prevent children from acquiring such awkward tricks whilst they are thinking, we should in the first place take care not to make them attend for too long a time together, then the pain of attention will not be so violent as to compel them to use these strange modes of relief. Bodily exercise should immediately follow